1619024840

素因数分解:

$2^3\times 5^1\times {\mathrm{40475621}}^1$

素因数の和:40475632

約数の個数: 16

約数和(自身を含む): 3642805980

約数和(自身を除く): 2023781140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 40475621, 80951242, 161902484, 202378105, 323804968, 404756210, 809512420, 1619024840]

約数ペア:

[(1, 1619024840), (2, 809512420), (4, 404756210), (5, 323804968), (8, 202378105), (10, 161902484), (20, 80951242), (40, 40475621)]